Quick Installation Guide
PCM-4896L Installation Guide 9
COM3/COM4 RI Pin Voltage Select
(J12, J11)
The 9th pin of COM3 and COM4 (9-pin D-sub connector) can be
selected as RI, +5V, or +12V by setting J12 & J11.
COM3 RI Pin Setting (J12)
RI*
+5V
+12V
J12
COM4 RI Pin Setting (J11)
RI *
+5V
+12V
J11
*default
1 3 5
2 4 6
1 3 5
2 4 6
1 3 5
2 4 6
1 3 5
2 4 6
1 3 5
2 4 6
1 3 5
2 4 6
COM2 RS-232/422/485 Select (J13, J14)
The PCM-4896 COM2 serial port can be selected as RS-232, RS-422,
or RS-485 by setting J13 & J14.
COM2 Select (J13, J14)
RS-232* RS-422 RS-485
J13
J14
*default
1 4 7 10
3 6 9 12
1 4 7 10
3 6 9 12
1 4 7 10
3 6 9 12
1 3 5
2 4 6
1 3 5
2 4 6
1 3 5
2 4 6
